Tech big shots take ALS Ice Bucket Challenge

Bill Gates, Mark Zuckerberg and Tim Cook among those raising awareness for disease
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The tech industry took a little while to get going on the ALS Ice Bucket Challenge that has raised awareness and millions of dollars to combat what is better known as the debilitating Lou Gehrig's Disease. But once it got going, the biggest names started dousing themselves and challenging their high-powered pals in tech and entertainment. Here's a whirlwind look at some of the videos.

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